31399445

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 48854016

約数和(自身を除く): 17454571

約数列:

[1, 5, 7, 11, 35, 49, 55, 61, 77, 191, 245, 305, 385, 427, 539, 671, 955, 1337, 2101, 2135, 2695, 2989, 3355, 4697, 6685, 9359, 10505, 11651, 14707, 14945, 23485, 32879, 46795, 58255, 73535, 81557, 102949, 128161, 164395, 407785, 514745, 570899, 640805, 897127, 2854495, 4485635, 6279889, 31399445]

約数ペア:

[(1, 31399445), (5, 6279889), (7, 4485635), (11, 2854495), (35, 897127), (49, 640805), (55, 570899), (61, 514745), (77, 407785), (191, 164395), (245, 128161), (305, 102949), (385, 81557), (427, 73535), (539, 58255), (671, 46795), (955, 32879), (1337, 23485), (2101, 14945), (2135, 14707), (2695, 11651), (2989, 10505), (3355, 9359), (4697, 6685)]